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Emergency Relay Valve

Part no. KN30100X
item status Active
Product line Reman
Remanufactured Emergency Relay Valve , Suitable for pre-121 trailers, converter dollies, or exempt trailers., Has automatic bleed down feature., Approximate Weight 3 lbs., FOR USE IN AIR HYDRAULIC SYSTEMS ONLY - DO NOT USE THEM TO CONTROL SPRING BRAKES


  1. 3/8"-18 auxiliary reservoir port on bottom of valve drilled and tapped for use in air hydraulic systems. Do not use them to control spring brakes., Repair Kit use part number RN10HL.
4 standard packs in stock
blobid0.png WARNING
Cancer and
Reproductive Harm

Technical specs

Service Inlet 1/4"
Emergency Inlet 1/4"
Delivery (4) 1/4"
Auxiliary Reservoir Plugged
Reservoir 3/4"
Crack Pressure 4.5± 1 PSI
Remarks See Notes
OEM Part Number N4301A
Approximate Weight 3 lbs.
Core Group 225


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